What are george polya's four basic principles of problem solving?

What is 10 percent 0f 80? Have a machine regency 850-B is there any way to get a maunal for it and what year is it? How do you find the area of a circle with a radius is 3cm? What is2x squared minus 86x minus180 equals 0? What is the prime factorization of 509? Are you a mr when your are over the age of 16? 124? A whole number greater than 1 is prime if? Why doesn't Jesus answer your prayers? Is 0.4 equal to 400? What is the additive identity in the set of whole numbers? What means to go back and forth im commutative? Why was los angles built? 20 dollars for the slender man? If a park has the shape of an isosceles triangle the measure of s is 70 what is the measure of e? How do you write 1 meter plus 43 cm in decimal form? How many times does 33 go into 2376? Why have not conceive after trying for 3 months? What is 70 percent of 11 months 29 days? What is the answer to 8000m to km?